Zen, using Glen's book, I haven't given up chocolate, but placed it in the conditional category. So, I'm on a self-improvement excercise, get fit! I set daily targets for physical activity with my Fitbit and if I achieve it, then, and only then, can I eat chocolate, at a pre-set amount.
It's akin to your earlier post regarding self-discipline, which I believe is central to addiction stoppage. Last century, addictive beliefs seems to have turned on its head, when compared with the previous thousands of years understanding, all, in my opinion, due to someone's interpretation of Buchmanism, to the detriment of society, and us individually.